Mine

import wxfrom wx.html import HtmlWindowclass HtmlDialog(wx.MessageDialog):    '''A messagedialog with HTML-formatted message'''    def __init__(self, parent, title, message, style):        wx.Dialog.__init__(self, parent, title = title, style = style)        self.htmlwindow = HtmlWindow(self)        self.okbutton = wx.Button(self, wx.ID_OK)        self.cancelbutton = wx.Button(self, wx.ID_CANCEL)                self.sizer = wx.BoxSizer(wx.VERTICAL)        self.buttonsizer = wx.BoxSizer(wx.HORIZONTAL)        self.sizer.Add(self.htmlwindow, flag = wx.EXPAND, proportion = 1)        self.sizer.Add(self.buttonsizer, flag = wx.EXPAND | wx.TOP, border = 5)        self.buttonsizer.Add(self.okbutton, flag = wx.EXPAND | wx.TOP, border = 5)        self.buttonsizer.Add(self.cancelbutton, flag = wx.EXPAND | wx.TOP, border = 5)                self.htmlwindow.SetPage(message)                self.SetAutoLayout(True)        self.SetSizer(self.sizer)        self.Layout()if __name__ == '__main__':    print "Unit testing"        class MyApp(wx.App):        def OnInit(self):            dlg = HtmlDialog(None, "My fancy dialog", '<b>THIS</b> is <font color="red">HTML</font>!'+str(dlg.GetSize()), wx.DEFAULT_DIALOG_STYLE | wx.STAY_ON_TOP)            dlg.SetPosition((wx.DisplaySize()[0], wx.DisplaySize()[1]))            dlg.ShowModal()            raise SystemExit    app = MyApp(0)    app.MainLoop()